What is the maximum recommend pipe velocity for dry and wet gases?

1225

---

How can arsenic be removed from aqueous waste streams?

1248

---

Are there any methods of preventing cracking of carbon steel welds in refining environments?

1119

---

What are some guidelines for designing for liquid and gas velocities in process plant piping?

1150

---

How is waste heat boilers categorized?

1246

---

What are some common causes of control valve noise?

1093

---

What is a common source of error in determining the percent spent caustic in refinery applications?

1165

---

What is a quick way to calculate frictional pressure drops in carbon steel pipe?

1135

---

What are some guidelines for sizing a psv for a fire scenario on a vessel in a refinery service?

1362

---

How instrument air is continually supplied in process plant?

1162

---

What are pcbs?

1232

---

Should slurry pipes be sloped during horizontal runs?

1097

---

What types of valves are recommended for slurry services?

1235

---

What is the difference between cfm (cubic feet per minute) and scfm (standard cubic feet per minute)?

1273

---

How bhp is measured?

1027

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